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Author Question: The number of students using the ATM on campus daily is normally distributed with a mean of 237.6 ... (Read 78 times)

abern

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on: Jun 24, 2018
The number of students using the ATM on campus daily is normally distributed with a mean of 237.6 and a standard deviation of 26.3. For a random sample of 55 days, what is the probability that the ATM usage averaged more than 230 students per day?
 
  A) 0.9756
  B) 0.9483
  C) 0.9838
  D) 0.9524

Question 2

The sales forecast for the 4th quarter of year 7 is approximately ________ in 000's.
 
  A) 120 units
  B) 218 units
  C) 189 units
  D) 196 units


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mochi09

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Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

B


abern

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

jomama

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Reply 3 on: Yesterday
Wow, this really help

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